Clamp



n i i r ihatentcrl 29, 1923. ii fi l dtt JOSEPH BOOKS, OF McKEESPOBT, FENNSYLVANIA.

CLAMP.

Application filed June 3, 1922. Serial No. 585,717.

To (ZZZ iii/tom it may concern: Bracket 2 in its arm 9, which is normally Be it known that l, Josnerr Books, a Cit-l." parallel to the arm or 10 of bracket 1, zen oi the United States, and a resident of is formed with sleeves 11, which receive and lvlclieesport, in the county of rrllegheny and guide posts 12 on a clamping plate 18. The State or": Pennsylvania, have invented a new arm 9 is pr vided between the sleeves 11, and Improved Clamp, oi which the followwith an internally screw threaded sleeve 14:, ing is a full, clear, and exact description. in which a clamping screw 15 is adjustable.

This invention relates to improvements in The lower end of this clamping screw 15 enclamps and more particularly to adjustable gages a bearing 16 centrally oi the plate 13, clamps, an objectof the invention being to and a winged head 17 is provided on the 60 provide a clamp in which the two clamping outer end oi the screw to permit adjustbrackets are connected by chain which ment thereof to vary the position of the quickly adjustable to enlarge or contract plate 13, and hence clamp the work 3 to a the clamp in accordance with the work to desired pressure. 15 be done. It will be noted that with a clamp such as 65 A further object is to provide a clamp above described, the brackets 1 andQthereof, which, when not in use can be packed or may be positioned on the work and the chain stored in a relatively small space, and which 7 adjusted to the desired length and engaged will be strong and durable in use. over hook 8, when the screw 15 can be 010 20 VVith these and other objects in view, the erated to effectually clamp the work. Such F invention consists in certain novel features clamp is quickly positioned and most of construction 1 and combinations, and ar-- efl'ectual in use, and when not in use can be rangement of parts, as will be more fully stored in a relatively small space. hereinafter described and pointed out in the Various slight changes might be made in claims. the general form and arrangementof parts 75 In the accompanying drawingsdescribed withoutdeparting from my inven- Figure 1 is a view in side elevation illustion. and hence l do not limit myself to the trating my improved clamp in operative precise details set forth, but consider myself position. at liberty to make such changes and altera- Figure 2 is an end view oi Figure 1. tions as fairly fall within the spirit and 30 Figure 3 is a view in section on the line scope of the appended claims. 3-3, of Figure 1. 1 I claim:

1 and 2 represent the angle brackets, or A clamp oi? the character described, comaws 0t my improved clamp, and 3 repreprising two right angle brackets, a chain sents the article, or work clamped. having swiveled connection to one bracket,

The inner faces of the angle brackets l a hook on the other bracket adapted to reand 2 are at right angles to each other so ceive any of the links of the chain. one of e that one arm or member of the bracket 1 said brackets having a pair of post guide is adapted to engage the work directly and openings and screw threaded opening be- 40 constitute a jaw. tween them. a clamping plate parallel to This bracket 1 is formed with an eye 4 members of both brackets, posts on the receiving a link 5, which is connected to a clamping plate movable through the said swivel 6 the latter secured to one end of the openings, and an adjustingscrew located in chain 7. j the screw threaded opening and bearing 4s The other bracket 2, is formed on one end against the. intermediate portion of the with a hook 8 adapted to receive any link clamping plate. of the chain 7 the swivel 6 permitting the 1 chain to freely turn so that every link there- JOSEPH BOOKS. of, may function as a direct coupling with I to the hook 6. i 

